Question

Point E is the midpoint if DF. If DE=8x-3 and EF = 3x + 7, what is x?

Answer 1

Answer:

Since E is in the middle of D and F, then

DE= EF

8x -3 = 3x +7

8x -3x = 7 +3

5x = 10

x = 10/5

x = 2